# K031523: Olympus Ultrasonic Surgical System

- Pathway: 510(k) (Traditional)
- Applicant: Aomori Olympus Co., Ltd.
- Decided: Oct 1, 2003 after 139 days
- Product code: LFL (Instrument, Ultrasonic Surgical)
- Device class: U
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K801623 (1980). 14 ancestors in all.
18 later devices descend from it; 4 cite it directly.
0 of 33 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K002981: Ultracision Harmonic Scalpel Coagulating Shears, Model LCSC5,LCSC1,CS23C,CS231,CS14C,CS141,LCSB5,LCSK5,LCS15,LCS16,CS150, Ethicon Endo-Surgery, Inc. (2001)
- K972114: Olympus Sonosurg System, The Olympus Optical Co. (1998) Summary page 1.
- K990430: Ultracision Harmonic Scalpel Hand Piece, Ethicon Endo-Surgery, Inc. (1999) Summary page 1.
- K000095: Olympus Sonosurg Trocar XT3900 System, The Olympus Optical Co. (2000) Summary page 2.

## Most influential descendants
- K050885: Olympus Ultrasonic Surgical System Sonosurg (2005), 15 descendants of its own
- K111202: Surgical Tissue Management System (2012), 11 descendants of its own
- K132703: Thunderbeat (2014), 9 descendants of its own
- K151743: THUNDERBEAT Open Fine Jaw (2016), 6 descendants of its own
- K192103: Thunderbeat Open Fine Jaw Type X Hand Instrument (2020), 4 descendants of its own

## Indications for use
OLYMPUS Ultrasonic Surgical System has been designed to be used with the Olympus SonoSurg generator Set (SonoSurg-G2 Set) and an electrosurgical unit to cut and coagulate soft tissue for laparoscopic and intraabdominal procedures in general (open) surgery. It is also designed to cut and coagulate soft tissue for open and endoscopic procedures in urologic surgery.

Source page: https://510kreport.com/device/K031523
Methodology: https://510kreport.com/methodology